2RGN

Crystal Structure of p63RhoGEF complex with Galpha-q and RhoA

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2BCJ	2bcj (Galpha-Q), 1lb1 (RhoA; Dbs for p63)
experimental model	PDB	1LB1	2bcj (Galpha-Q), 1lb1 (RhoA; Dbs for p63)

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	277	100 mM HEPES pH 6.5, 14.5% PEG 3350, 400 mM KCl. Drops were microseeded to obtain large crystals, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.98	58.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.187	α = 80.87
b = 68.056	β = 85.16
c = 138.018	γ = 87.09

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		CCD	MARMOSAIC 225 mm CCD		2007-04-13		SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-D	0.9993	APS	21-ID-D

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	3.5	30	97.1	0.087	0.087	5.7	2.5	30174	29299		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3.5	3.62	98.1		0.531	0.53	1.67	2.4	2976

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	2bcj (Galpha-Q), 1lb1 (RhoA; Dbs for p63)	3.5	20	30159	29080		96.42	0.243	0.23	0.299	124.405

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
3.23	-5.61	-1.73	-3.53	4.84	-0.37

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.407
r_dihedral_angle_3_deg	18.52
r_dihedral_angle_4_deg	15.872
r_dihedral_angle_1_deg	6.114
r_scangle_it	1.458
r_angle_refined_deg	1.139
r_scbond_it	0.949
r_angle_other_deg	0.838
r_mcangle_it	0.817
r_mcbond_it	0.591
r_nbd_refined	0.212
r_nbtor_refined	0.183
r_nbd_other	0.178
r_symmetry_vdw_other	0.175
r_xyhbond_nbd_refined	0.147
r_symmetry_vdw_refined	0.137
r_mcbond_other	0.107
r_nbtor_other	0.084
r_chiral_restr	0.064
r_xyhbond_nbd_other	0.036
r_bond_refined_d	0.01
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	13455
Nucleic Acid Atoms
Solvent Atoms	6
Heterogen Atoms	68

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection